211245429 has 16 divisors (see below), whose sum is σ = 290376000. Its totient is φ = 136538496.

The previous prime is 211245373. The next prime is 211245443. The reversal of 211245429 is 924542112.

It is not a de Polignac number, because 211245429 - 2⁷ = 211245301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211245396 and 211245405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211245029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4747 + ... + 21095.

It is an arithmetic number, because the mean of its divisors is an integer number (18148500).

Almost surely, 2^211245429 is an apocalyptic number.

It is an amenable number.

211245429 is a deficient number, since it is larger than the sum of its proper divisors (79130571).

211245429 is a wasteful number, since it uses less digits than its factorization.

211245429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16484.

The product of its digits is 5760, while the sum is 30.

The square root of 211245429 is about 14534.2846057176. The cubic root of 211245429 is about 595.5649169509.

The spelling of 211245429 in words is "two hundred eleven million, two hundred forty-five thousand, four hundred twenty-nine".